https://www.seaside.pt/assets/vendor/bootstrap-multiselect/js/bootstrap-multiselect.js?v=2.0
http://www.voltatrip.com/b2b/public/js/bootstrap-multiselect.js
http://zvrhlost.cz/Scripts/bootstrap-multiselect.js
http://www.ziffyhomes.com/catalog/view/javascript/jquery/bootstrap-multiselect.js